Beast Below is a cleverly designed slot machine from Hacksaw Gaming. For those always wondering what lurks beneath the ocean waves, this slot solves that curiosity. The eerie 5x4 online slot takes you beneath the ocean waves, into the shadowy underwater world. It is here that you will find fearless divers and colossal treasures that are guarded by the monstrous “beast below”.
The slot game features a 10,000x your stake max win, expanding wild multipliers, and two bonus rounds. It is a thrilling aquatic adventure designed to keep you on the edge of your seat. Let’s plunge into the depths and uncover what makes this one of Hacksaw’s most atmospheric and rewarding slots.

Beast Below is an underwater adventure from Hacksaw Gaming that was released on 22 June 2023. The game blends moody visuals with dynamic features and high win potential, all taking place on the ocean floor. Beast Below takes place on 5 reels, 4 rows and has 14 fixed paylines. Payouts are awarded for landing matching symbols on adjacent reels, starting from left to right.
During the base game, you will find features like the aquatic creatures, spiny monsters, and haunting Sirens. To activate the bonus rounds, you will need to land special symbols. Each of the free spins modes offer unique mechanics and bigger wins. Furthermore, there is also multiplying wilds, expanding symbols, and feature buy options to look out for. Whether you enjoy the underwater theme or the big multipliers, Beast Below is just as much of an adventure as it is rewarding.
| Software | Hacksaw Gaming |
| Game Type | Video Slots |
| Paylines | 14 |
| Reels | 5 |
| RTP | 96.29% |
| Min Bet | US$0.10 |
| Max Bet | US$100.00 |
| Jackpot | 10,000x your initial bet |
| Release Date | 22 June 2023 |
| Bonus Features | Expanding Sirens, The Siren’s Call Bonus Game, Down Below Bonus Game |
At Gamdom crypto casino, Beast Below comes with a 96.29% return to player (RTP) rate. This is a competitive rate for modern online slot machines.
Beast Below has a 4 out of 5 volatility rating, placing in the medium to high volatility range. This pace fits in with the theme of the slot, where it appears slow and suspenseful at first. Then, suddenly, everything is turned around when the wild multipliers or free spins occur.
Hacksaw Gaming keeps all players in mind with the beast Below slot offering a wide betting range. Spins start off at $0.10 and have a max bet amount of $100.00. Adding in the Bonus Buy option and FeatureSpins options, this slot provides plenty of ways to tailor your dive.
Beast Below takes you beneath the ocean waves to explore the dark unknown of the ocean floor. It is here where myth meets danger. The goal of the adventure is to search for the hidden ocean treasures.
As a result, Hacksaw delivers an atmospheric slot that balances mystery, adventure, and a hint of horror. It is a top pick for players who enjoy immersive worlds with a cinematic edge.
Visually, Hacksaw Gaming has delivered a masterpiece with Beast Below. The top of the reels showcases the ocean waves at night with flickering light, drifting debris, and the ghostly silhouettes of sea creatures. Below, you find the grid layout set underwater. Each of the symbols from the playing card ranks, to exotic fish and anchors are illustrated in a cartoon like style, yet with sinister detail. Overall, art style is a classic Hacksaw Gaming style - moody, creative, and high quality.
The soundtrack plays an important role in the immersion. It is a mix of deep, echoing tones and watery ambience. It resembles the sense of being hundreds of metres below the surface. When a bonus feature is activated, the soundtrack rises with sharp audio cues and cinematic sound bursts that mirror the thrill of discovering hidden treasure.

The Sirens act as the game's wild symbols. They have the ability to expand upwards, but they will only expand if there is the possibility of a winning combination.
During the base game, only the Yellow Siren will appear. It can have a multiplier value of 2x, 3x, 4x, 5x, 6x, 7x, 8x, 9x, 10x, 15x, 20x, 25x, 50x, 100x, or 200x your initial bet. When expanded, the Siren symbol will show the multiplier value to be added to winning combinations. If more than one Siren is present in a winning combination, then the multiplier values are first added together and then applied to the win. Furthermore, only one Siren can appear on each reel at a time.
During the base game, if you land 3 FS scatters at the same time, it will activate the bonus feature. Upon activation, you will receive 10 free spins. During the bonus, there is a higher chance of landing Siren symbols. Furthermore, the bonus features the Pink Siren Symbol. These Pink Sirens can have a multiplier value of 2x, 3x, 4x, 5x, 6x, 7x, 8x, 9x, 10x, 15x, 20x, 25x, 50x, 100x, or 200x. After expanding, the Pink Sirens stay on the reel in which they expanded, but are nudged up one row on each free spin and eventually removed from the grid when they reach the top.
You can achieve extra free spins by landing:
This bonus game is triggered by landing 4 FS symbols during the main game. The bonus starts off with 10 free spins. During the bonus, there will be an extra icon - the expanding Diver symbol. Divers can have a multiplier value of: 2x, 3x, 4x, 5x, 6x, 7x, 8x, 9x, 10x, 15x, 20x, 25x, 50x, 100x, or 200x your bet. When the Diver lands, it will expand into a full Diver reel. Furthermore, these icons are wild multipliers and will remain on the reels for a limited number of subsequent spins after expanding.
Each expanded Diver starts off with 3 oxygen charges, and when the oxygen reaches 0, it is removed from the grid at the end of that spin. At the start of each spin, the Diver has the ability to move an adjacent reel by using up 1 oxygen charge. When this happens, the multiplier value also changes. If more than one Diver forms part of a winning combination, the multiplier values will be added together and then applied to the win. Up to 3 Divers can appear on the grid at the same time.
You can also add either 32 or 3 extra spins to the bonus by landing 2 and 3 FS symbols respectively.

Below is the payout range of each of the paying symbols in the Beast Below slot game.
| Number of Occurrences | 10 | J | Q | K | A |
| 3 | $0.01 - $10.00 | $0.01 - $10.00 | $0.02 - $20.00 | $0.02 - $20.00 | $0.03 - $30.00 |
| 4 | $0.05 - $50.00 | $0.05 - $50.00 | $0.10 - $100.00 | $0.10 - $100.00 | $0.15 - $150.00 |
| 5 | $0.20 - $200.00 | $0.20 - $200.00 | $0.25 - $250.00 | $0.25 - $250.00 | $0.30 - $300.00 |
| Number of Occurrences | 3 Eye Fish | White-Eyed Shark | Evil Smiling Fish | No-Eye Fish | Angler Fish |
| 3 | $0.05 - $50.00 | $0.05 - $50.00 | $0.10 - $100.00 | $0.10 - $100.00 | $0.15 - $150.00 |
| 4 | $0.25 - $250.00 | $0.25 - $250.00 | $0.35 - $350.00 | $0.35 - $350.00 | $0.50 - $500.00 |
| 5 | $0.50 - $500.00 | $0.50 - $500.00 | $0.75 - $750.00 | $0.75 - $750.00 | $1.00 - $1,000.00 |
Rank | Slot Title | RTP | Max Win | Volatility | Key Feature |
| 1 | Cursed Seas | 96.22% | 12,500x | High | Cursed Chests, Sunken Treasure Bonus Game, Dead Men Tell No Tales Bonus Game |
| 2 | Temple of Torment | 96.22% | 10,000x | Medium | Wild Golden Scarab Symbols, Wild Symbol, Anguish of Anubis Bonus Game, Reign of Ra Bonus Game |
| 3 | Stormforged | 96.41% | 12,500x | High | Portals to Muspelheim, Surtur’s Vengeance Bonus Game |
| 4 | Undead Fortune | 96.29% | 10,000x | High | Walking Duels, Expanding DuelReels, Bonus Games |
| 5 | Densho | 96.33% | 10,000x | Medium-High | Wild Multiplier Reels, Free Spins, Super Free Spins |
Beast Below is a visually appealing and innovative slot game. The combination of expanding Sirens, roaming Divers, and massive multiplier potential keeps gameplay fresh and exciting from start to finish. Furthermore, the game strikes a balance between strategy and spectacle. It’s a slot that rewards patience, with moments of pure adrenaline when the Sirens sing or the Divers strike gold.

The RTP for Beast Below at Gamdom casino is 96.29%.
You can win up to 10,000x your stake. This is achievable during the bonus rounds when Siren or Diver multipliers combine.
Yes, Beast Below has a medium to high volatility with a 4/5 volatility rating. This means wins are less frequent but often more substantial, making it perfect for thrill-seekers.
Absolutely. The Bonus Buy and FeatureSpins™ options let you purchase entry into key features instantly, starting from just 3x your stake.
Yes, there are two different free-spin modes: the Sirens’ Call Bonus and the Down Below Bonus, each offering unique wild mechanics and multipliers.
The dual feature design is what sets Beast Below from other Hacksaw Gaming slots. The underwater horror-fantasy theme and cinematic art direction also make it one of Hacksaw’s most visually impressive titles.